375 lines
11 KiB
PHP
375 lines
11 KiB
PHP
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<?php
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/**
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* PHP version 7.1
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*
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* @category Integration
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* @package Intaro\RetailCrm\Model\Bitrix
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* @author RetailCRM <integration@retailcrm.ru>
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* @license MIT
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* @link http://retailcrm.ru
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* @see http://retailcrm.ru/docs
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*/
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namespace Intaro\RetailCrm\Model\Bitrix;
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use Intaro\RetailCrm\Component\Json\Mapping;
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use Intaro\RetailCrm\Component\Json\Serializer;
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use Bitrix\Main\ORM\Data\Result;
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use Bitrix\Main\Error;
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use Intaro\RetailCrm\Component\Json\Strategy\AnnotationReaderTrait;
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/**
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* Class AbstractSerializableModel
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* Clones some functionality of ORM models in order to provide close to ORM interface for those models
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* which doesn't have proper ORM support yet.
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*
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* @package Intaro\RetailCrm\Model\Bitrix
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*/
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abstract class AbstractSerializableModel
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{
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use AnnotationReaderTrait;
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/**
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* Holds data about original fields
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*
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* @var array
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*/
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private $originalFields = [];
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/**
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* True if $originalFields is initialized, false otherwise
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*
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* @var bool
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*/
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private $originalPropertiesWritten = false;
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/**
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* Returns model base class
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*
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* @return string
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*/
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abstract public function getBaseClass(): string;
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/**
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* Returns true if Add method should be called from class itself, not it's instance.
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*
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* @return bool
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*/
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abstract public function isSaveStatic(): bool;
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/**
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* Returns true if Delete method should be called from class itself, not it's instance.
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*
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* @return bool
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*/
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abstract public function isDeleteStatic(): bool;
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/**
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* Should return filled entity by provided primary key
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*
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* @param mixed $primary
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*
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* @return mixed
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*/
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abstract public static function getEntityByPrimary($primary);
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/**
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* AbstractSerializableModel constructor.
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* Will fill model with data if primary key is passed.
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* Better use repository getById method. It is faster, and passing primary by constructor uses it's under the hood.
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*
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* @param mixed $primary
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*
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* @throws \ReflectionException
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*/
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public function __construct($primary = null)
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{
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if ($primary !== null) {
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$thisClassName = get_class($this);
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$instance = static::getEntityByPrimary($primary);
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if ($instance instanceof $thisClassName) {
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$instanceReflection = new \ReflectionClass($instance);
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foreach ($instanceReflection->getProperties() as $property) {
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$thisProperty = new \ReflectionProperty($thisClassName, $property->getName());
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$property->setAccessible(true);
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$thisProperty->setAccessible(true);
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$thisProperty->setValue($this, $property->getValue($instance));
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}
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}
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$this->postDeserialize();
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}
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}
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/**
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* Tries to add object via base class
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*
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* @return \Bitrix\Main\ORM\Data\Result
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* @throws \ReflectionException
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*/
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public function add(): Result
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{
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$result = null;
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$instance = null;
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$data = $this->clearUnchangedOrEmptyFields($this->serialize());
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$baseClass = $this->getBaseClass();
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if (empty($data)) {
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return new Result();
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}
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if ($this->isSaveStatic()) {
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if (method_exists($baseClass, 'Add')) {
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$result = call_user_func($baseClass . '::Add', $data);
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} elseif (method_exists($baseClass, 'add')) {
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$result = call_user_func($baseClass . '::add', $data);
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}
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} else {
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$instance = new $baseClass();
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if (method_exists($instance, 'Add')) {
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$result = $instance->Add($data);
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} elseif (method_exists($instance, 'add')) {
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$result = $instance->add($data);
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}
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}
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if (null === $result) {
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throw new \RuntimeException(
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"Neither Add(\$data) nor add(\$data) is exist in the base class or it's instance"
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);
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}
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return $this->constructResult($instance, $result);
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}
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/**
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* Tries to save object via base class
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*
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* @return \Bitrix\Main\ORM\Data\Result
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* @throws \ReflectionException
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*/
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public function save(): Result
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{
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$primary = $this->getPrimaryKeyData();
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if (empty($primary)) {
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return $this->add();
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}
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$result = null;
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$instance = null;
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$data = $this->clearUnchangedOrEmptyFields($this->serialize());
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$baseClass = $this->getBaseClass();
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if (empty($data)) {
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return new Result();
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}
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if ($this->isSaveStatic()) {
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if (method_exists($baseClass, 'Update')) {
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$result = call_user_func($baseClass . '::Update', $primary, $data);
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} elseif (method_exists($baseClass, 'update')) {
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$result = call_user_func($baseClass . '::update', $primary, $data);
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}
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} else {
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$instance = new $baseClass();
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if (method_exists($instance, 'Update')) {
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$result = $instance->Update($primary, $data);
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} elseif (method_exists($instance, 'update')) {
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$result = $instance->update($primary, $data);
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}
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}
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if (null === $result) {
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throw new \RuntimeException(
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"Neither Add(\$data) nor add(\$data) is exist in the base class or it's instance"
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);
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}
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return $this->constructResult($instance, $result);
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}
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/**
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* Tries to delete object via base class
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*
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* @return \Bitrix\Main\ORM\Data\Result
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*/
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public function delete(): Result
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{
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$result = null;
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$instance = null;
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$baseClass = $this->getBaseClass();
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$primary = $this->getPrimaryKeyData();
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if ($this->isDeleteStatic()) {
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if (method_exists($baseClass, 'Delete')) {
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$result = call_user_func($baseClass . '::Delete', $primary);
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} elseif (method_exists($baseClass, 'delete')) {
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$result = call_user_func($baseClass . '::delete', $primary);
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}
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} else {
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$instance = new $baseClass();
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if (method_exists($instance, 'Delete')) {
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$result = $instance->Delete($primary);
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} elseif (method_exists($instance, 'delete')) {
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$result = $instance->delete($primary);
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}
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}
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if (null === $result) {
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throw new \RuntimeException('Neither Delete($id) nor delete($id) is exist in the base class');
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}
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return $this->constructResult($instance, $result);
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}
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/**
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* This will record all original properties
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*
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* @Mapping\PostDeserialize()
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*/
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public function postDeserialize(): void
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{
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if (!$this->originalPropertiesWritten) {
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$thisReflection = new \ReflectionClass($this);
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foreach ($thisReflection->getProperties() as $property) {
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$name = static::annotationReader()->getPropertyAnnotation(
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$property,
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Mapping\SerializedName::class
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);
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if (!($name instanceof Mapping\SerializedName)) {
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continue;
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}
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$property->setAccessible(true);
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$this->originalFields[$property->getName()] = crc32(serialize($property->getValue($this)));
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}
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$this->originalPropertiesWritten = true;
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}
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}
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/**
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* This will remove null fields from serialized array if they wasn't set that intentionally, to erase field data.
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* In other words, empty and unchanged fields will be removed, but fields which are empty now, but has been changed,
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* will stay in the result array.
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*
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* @param array $fields
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*
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* @throws \ReflectionException
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*
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* @return array
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*/
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private function clearUnchangedOrEmptyFields(array $fields): array
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{
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$reflection = new \ReflectionClass($this);
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foreach ($reflection->getProperties() as $property) {
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$name = static::annotationReader()->getPropertyAnnotation(
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$property,
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Mapping\SerializedName::class
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);
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if (!($name instanceof Mapping\SerializedName)) {
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continue;
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}
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$property->setAccessible(true);
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$value = $property->getValue($this);
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if ((empty($value) && $this->originalFields[$property->getName()] === crc32(serialize($value)))
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|| $this->originalFields[$property->getName()] === crc32(serialize($value))
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) {
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unset($fields[$name->name]);
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}
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}
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return $fields;
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}
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/**
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* @param mixed $baseClassInstance
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* @param mixed $result
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*
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* @return \Bitrix\Main\ORM\Data\Result
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*/
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private function constructResult($baseClassInstance, $result): Result
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{
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$newResult = new Result();
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if ($result instanceof \CDBResult && !$result->AffectedRowsCount()) {
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$newResult->addError(new Error('No rows were affected.'));
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}
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if (is_int($result)) {
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if ($result > 0) {
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$this->setPrimaryKeyData($result);
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} else {
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$newResult->addError(new Error('Entity is not saved - no primary key returned.'));
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}
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}
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if (is_object($baseClassInstance)
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&& property_exists($baseClassInstance, 'LAST_ERROR')
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&& !empty($baseClassInstance->LAST_ERROR)
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) {
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$newResult->addError(new Error($baseClassInstance->LAST_ERROR));
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}
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return $newResult;
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}
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/**
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* Tries to return primary key from the model
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*
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* @return mixed
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*/
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private function getPrimaryKeyData()
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{
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if (method_exists($this, 'getId')) {
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return $this->getId();
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} elseif (method_exists($this, 'getPrimary')) {
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return $this->getPrimary();
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} else {
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throw new \RuntimeException('AbstractSerializableModel child should implement getId or getPrimary');
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}
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}
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/**
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* Tries to set primary key data
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*
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* @param mixed $primaryData
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*
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* @return mixed
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*/
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private function setPrimaryKeyData($primaryData)
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{
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if (method_exists($this, 'setId')) {
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return $this->setId($primaryData);
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} elseif (method_exists($this, 'setPrimary')) {
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return $this->setPrimary($primaryData);
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} else {
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throw new \RuntimeException('AbstractSerializableModel child should implement setId or setPrimary');
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}
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}
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/**
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* Serializes current model
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*
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* @return array
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*/
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private function serialize(): array
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{
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return Serializer::serializeArray($this);
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}
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}
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